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High-precision linear motion System manufacturer

Qilei is a high-quality guide rail and worktable manufacturer in China. Our products boast quality comparable to world-leading brands, but at more competitive prices.

Products

Crossed Roller Guides

Achieve sub-micron accuracy with our premium Crossed Roller Guides.

Crossed Roller Tables

Achieve ultimate linear accuracy and structural rigidity with our premium Crossed Roller Tables.

Needle Roller Guides

Maximize your machinery’s performance with our premium Needle Roller Guides.

Crossed Roller Cages

Where engineering meets reliability. Delivering optimized rigidity and ultra-smooth linear motion for your most demanding precision applications.

indsutries

SEMICONDUCTOR

QILEI roller guideways deliver nanometer-level accuracy and ultra-smooth motion for wafer processing and lithography equipment. Engineered for cleanroom environments, our advanced crossed roller cages minimize particle generation and friction, ensuring maximum stability, zero contamination, and higher chip yields for high-speed scanning operations.

AEROSPACE

QILEI high-rigidity roller guideways excel in aircraft component manufacturing and heavy-duty machining centers. Featuring superior corrosion resistance and exceptional load capacity, they prevent deflection under massive stress, guaranteeing the structural integrity and precision required for critical flight components.

Industrial Robotics

Modern automation relies on speed and endurance. QILEI roller guideways provide the rugged linear motion foundation for multi-axis robots and gantry systems. Built for high torsional rigidity and zero backlash, they enable robotic arms to execute repetitive, high-speed trajectories flawlessly, reducing factory downtime in continuous production lines.

Medical Equipment

Linear guides are vital in modern medical devices, ensuring the smooth, quiet, and highly precise movement required for patient safety and accurate diagnostics. They are widely used in MRI and CT scanners to position patients smoothly, as well as in automated laboratory liquid handlers and surgical robots where micron-level accuracy is critical.

CNC Machine Tools

In manufacturing, linear guides are the backbone of CNC milling, turning, and cutting machines. They must withstand heavy loads and high speeds while maintaining extreme rigidity and geometric accuracy. Their low friction and high precision directly determine the surface finish and dimensional tolerance of the machined metal or plastic parts.

Lithium-ion Battery Manufacturing

The booming electric vehicle industry relies heavily on linear guides for automated battery production lines. They guide high-speed, repetitive processes such as electrode coating, laser cutting, cell stacking, and tab welding. In these environments, guides must offer exceptional reliability, speed, and resistance to chemical contamination or dust.

about us

Shanghai Qile Precision Machinery Equipment Co., Ltd. is a premier manufacturer specializing in high-precision linear motion components, including premium roller guideways, precision roller tables, and crossed roller cages. Engineered to benchmark against top-tier international brands, our products deliver world-class rigidity, ultra-smooth motion, and extended service life for demanding applications in semiconductor, aerospace, and robotics automation. By combining rigorous quality control with optimized manufacturing efficiency, QILEI offers a highly competitive pricing structure without compromising on performance. From standard series to non-standard custom engineering, we are committed to providing global OEM clients with reliable, cost-effective precision solutions and dedicated technical support.